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PartⅡ,Applying the developed and extended direct algebraic methods that presented in recent years and based on the 2+1 dimensional variable separation solutions,abundant Jacobi elliptic function doubly periodic waves and periodic propagating wave patterns for many 2+1 dimensional nonlinear wave models are obtained,and in long wave limit solitary waves are derived as well.

第二部分，本文拓展和推广(来源：a2AB7aC论文网www.abclunwen.com)了新近发展的几种典型的直接代数方法和基于分离变量解的间接方法，获得多个2+1维非线性波动模型丰富的雅克比椭圆函数双周期波解和周期传播波模式，并得到长波极限情形下存在的非线性孤立波。

Most earthquake waves have a frequency of less than 20 Hz , so the waves themselves are usually not heard.

大部分地震波有一个频率低于20赫兹，所以波本身，通常没有听说。

Direction in wind and waves in order to reduce and avoid risks brought by all external factors to stakeholders, that is, to elutriate gold when great waves wash over sand.

现金分红上显示对股东利益的尊重与维护。世界在动荡中发展，企业要面临所有的内外不确定性，而管理层的任务恰恰是要在风浪中把握住

Light waves are waves of energy that travel through space at the rate of 186, 000 miles per second

光波是以每秒186，000英里的速度通过空间的能波。

Aims: To observe the effect of antagonists of various 5-hydroxytryptamine (5-FIT) receptors on gastric slow waves and energy of pacing stimuli needed to entrain gastric slow waves, and hence to investigate the mechanisms of gastric pacing in rats.

目的：观察不同5-羟色胺(5-HT)受体拮抗剂对胃慢波和控制胃慢波所需的刺激能量的影响，探讨胃起搏的作用机制。

Due to the effect of curvature of shell, the equation of motion of elastic waves in shell is much more complex than that in plate. The method of operator factorization can't be directly used to solve the equation of motion of elastic waves in shell by reducing it to the second order partial differential equations.

由于壳体曲率的影响，使得壳体的弹性波动方程比平板的运动方程复杂得多，难以直接采用算子因式分解方法，将其化成二阶偏微分方程求解。

Chenghai floor boarded the old leader, leaned over the next look "into the sea Shicheng" throughput waves, stirred flying Tao snow; Jimuyuantiao, sea and sky merged, and huge waves surging, air swallowing Hai-yue, so that people lapel open and full of pride .

登上老龙头的澄海楼俯身下望"入海石城"吞吐海浪，激起飞涛如雪；极目远眺，海天一色，巨浪奔涌，气吞海岳，使人心襟大开，豪情满怀。

Waves when delight, gapes is not, waves again when delight again, and he, has to accept her with sadness.

她高兴是就对他招招手，不高兴时就对他打哈欠，再高兴时就再对他招手。

In this paper, we theoretically investigated the properties of electromagnetic waves propagating in gyromagnetic waveguides with a plane interface, and the spatio-temporal characteristics of nonlinear waves in gyromagnetic materials.

我们主要在理论上研究了单界面的非线性旋磁导波系统中电磁表面波的传播特性，以及非线性电磁波的时间空间传播特性。

With whistling winds and music of the waves, the large imperious waves

是呼啸的风和悦耳的波涛，巨大而傲慢的波涛

It inculcates justification before God on the ground of human merits.

它说明在上帝灌输在地上人类优点。

TH Leaguer has excellent Quality Control and Management System.

本公司具有完善的品管部门。